Differential measurements on Ne*(2p 53s 3P 0.2)-Ne collisions in the hyperthermal energy range

Abstract

Differential cross sections for collisions of metastable neon atoms with ground state neon atoms have been measured in the energy range 0.247–0.551 eV in a crossed nozzle beam experiment using heating and seeding techniques. At large angle, the cross sections exhibit a rainbow feature due to a hump in the 0 u − and 1 u potentials. The present data are in good agreement with calculations based on potential energy curves deduced from previous experiments at thermal energy.